Sweeping machine



FIG. 1 is a perspective view of a sweeping machine according to our novel design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a side elevation view thereof (the opposite side being a mirror image); and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a sweeping machine, as shown and described. 